k8s-cluster

CREATE CLUSTER K8S WITH ONE MASTER AND 2 WORKER

• 192.168.56.13 master
• 192.168.56.14 worker-1
• 192.168.56.15 worker-2

REFERENCIA here

Necessaŕio ter instalado

vagrant here

virtualbox

before cloning the repo use the comando

acess the past cd /vagrant

vagrant up

para acessar as maquinas com user vagrant

vagrant ssh master vagrant ssh worker-1 vagrant ssh worker-2

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acessar via chave pois copiamos nossa chave para dentro das vms

ssh -i ansible/k8s-key [email protected]

ssh -i ansible/k8s-key [email protected]

ssh -i ansible/k8s-key [email protected]

caso de algum erro semelhante rodar os seguintes comandos

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY! Someone could be eavesdropping on you right now (man-in-the-middle attack)! It is also possible that a host key has just been changed. The fingerprint for the ECDSA key sent by the remote host is SHA256:ehwdqE0dcBPHX2YP5xgYMMIhFCkkSVWfI54E1ue8P/Y. Please contact your system administrator.

ssh-keygen -R 192.168.56. mudar somente o ip final esse comando atualiza o know hosts da sua maquina

testando com ansible 

ansible -i hosts all -m ping -u vagrant 


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  __________ 
 |          |
 | ANSIBLE  |
 |__________|
 
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ATENÇÃO para o caminho e nome da chave 

##Criando usuario kube e trocando chaves.... com o seguinte comando 
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ansible-playbook -i hosts users.yml -u vagrant

Pronto agora temos nosso usuario kube criado em todas as maquinas 

##Agora instalar containerD desabilita swap instala kubeadm kubelet e mais ... em todas as máquinas
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ansible-playbook -i hosts playbook/install-k8s.yml -u kube

##Criando cluster master e pod network 
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ansible-playbook -i hosts playbook/master.yml -u kube

##Adicionando Workers no master
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ansible-playbook -i hosts playbook/join-workers.yml -u kube